BufferedReader的readline 读取下一行怎么读取？

Question

如何控制读取下一行？
for (int j = 1; (temp = br.readLine()) != null && !temp.equals(oldStr); j++) { buf = buf.append(temp); buf = buf.append(System.getProperty("line.separator"));
}

Answer 1

额额额额，用while吧循环吧